Key facts
- Brand
- Atmel
- Model
- AT90PWM3B
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-27
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Atmel AT90PWM2/AT90PWM3/AT90PWM2B/AT90PWM3B Datasheet
The AT90PWM2/2B/3/3B family is a low‑power CMOS 8‑bit microcontroller based on the AVR enhanced RISC architecture. It offers up to 1 MIPS per MHz, three high‑speed Power Stage Controllers, flexible PWM, a 10‑bit ADC with up to 11 single‑ended channels, a 10‑bit DAC, and a range of power‑saving modes.
The document details electrical characteristics, package options (SO24, SO32, QFN32), pin‑out tables, register maps, and revision history. It also includes application notes such as comparator behavior, PSC interrupt handling, and DAC update quirks.
Atmel AT90PWM3B specifications
| Operating Voltage | 2.7 V – 5.5 V |
|---|---|
| Flash Memory | 8 KB In‑System Programmable Flash |
| EEPROM | 512 bytes |
| SRAM | 512 bytes |
| ADC Channels | Up to 11 single‑ended + 2 differential channels |
| DAC | 10‑bit |
| General‑purpose I/O lines | 53 |
| CPU Clock Speed | Up to 16 MHz (PLL 32 MHz/64 MHz for PWM) |
Source: Atmel AT90PWM2/AT90PWM3/AT90PWM2B/AT90PWM3B Datasheet
All Atmel AT90PWM3B documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range of the AT90PWM2/3 devices?
The devices operate from 2.7 V to 5.5 V.
How many general‑purpose I/O pins are available?
The microcontroller provides 53 general‑purpose I/O lines.
What is the operating voltage range of the AT90PWM2/3/2B/3B?
The device operates from 2.7 V up to 5.5 V.
From: ATMEL AT90PWM2/AT90PWM3/AT90PWM2B/AT90PWM3B Manual(1)(1)
How many PWM power stage controllers does the microcontroller have?
It includes two or three 12‑bit high‑speed PSC units with 4‑bit resolution enhancement.
From: ATMEL AT90PWM2/AT90PWM3/AT90PWM2B/AT90PWM3B Manual(1)(1)